Aparate de măsurare a activităţii apei "aw"

Aparat automat pentru determinare activitatea apei valoarea AW

Water Activity Meter :: Model RH2-AW


Pret : la cerere


Livrare: 10 - 14 zile lucratoare


Certificat de conformitate


produsul poate fi achizitionat si prin SEAP


solicit oferta personalizata »

Activitatea apei aw, poate fi definită din punct de vedere microbiologic (Leistner şi Rodel), ca fiind cantitatea de apă disponibilă pentru creşterea microorganismelor.
Activitatea apei este, raportul presiunii parţiale a vaporilor de apă din soluţia polidispersă conţinută de substrat Pprodus şi presiunea parţială a vaporilor apei pure Papă:aw = Produs / Papă

Domenii de aplicatii
Influenţa activităţii apei asupra cineticei reacţiilor chimice
Influenţa activităţii apei asupra reacţiilor chimice şi biochimice
Stabilitatea alimentelor în funcţie de valoarea activităţii apei
Stabilitatea alimentelor în funcţie de valoarea activităţii apei
Dependenţa stabilităţii alimentelor de valoarea activităţii apei
Activitatea apei este un factor important pentru desfăşurarea reacţiilor biochimice şi pentru dezvoltarea microbiană în miere

Determinarea umiditatii relative a aerului depinde de senzorul conectat la aparat, iar rezolutia este 0.1% rh;
Activitate apa, rezolutie 0.001%;
Masoara umiditatea aeruluide la 0 la 130 g/m3, rezolutie 0.1 g/m3
Punctul de roua de la -55 la +60°C / -67 to 140°F, rezolutie 0.1°C;
Umiditatea de echilibru a lemnului Ugl: de la 2 la 30%, rezolutie0.1%;
Umiditatea granulelor din plastic, rezolutie 0.01%;
Determina concetratia de CO2;
Mausurarea temperaturii prin infrarosu;
Masurarea temperaturii depinde de senzorul conectat la aparat, rezolutia este de 0.1°C;
Compensare automata a temperaturii;
Functie hold (inghetarea valorii citite pe ecran), salvare manuala a rezultatelor;
Memorare automata a 10000 de valori si raportarea punctelor masurate;
Posibilitate de conectare a mai multor tipuri de senzori de umiditate si temperatura, stabili si fiabili;
Stabilizare rapida a citirilor;
Livrare standard: umidometru RH2 cu protectie din cauciuc si baterii

Optional, umidometrul RH2 poate fi livrat cu interfata USB pentru conectarea aparatului la PC. Softul inclus Log Memorizer permite importarea valorile masurate din instrument in computer, pot fi adaugate si alte informatii dorite, iar toate datele pot fi arhivate, exportate si procesate.

humimeter USB data interface module with LogMemorizer measuring data recording and analysing software on CD incl. USB cable for PC and printer

Applications
Portable precise water activity (Aw- value) analyzer / meter with exchangeable external sensors for a wide range of applications with manual- & auto datalog function.
To measure special materials like meat, butter, cheese, fruit mix, spicery, granulate, mushrooms, xylit, flavor / gyle or pvc.
The humimeter RH2 water activity meter measures relative humidity, absolute humidity, dew point, equilibrium moisture content, aw-value, CO2 concentration (ppm) and temperature.
In many situations it can be very useful to measure water activity in production or storage rooms, e.g. inspection of bulk materials to ensure they meet specifications.
Water activity measurements in production processes: random checks of cheese, meat, tobacco, building materials, animal feeds, bakery products, paper, medicines, horticulture, agriculture, etc.
Features
Measurement of relative humidity depends on used sensor, resolution: 0.1% rh
Temperature can be set to °C und °F as required
Measurement of temperature depends on used sensor, resolution: 0.1°C
Dew point -55°C to + 60°C, resolution 0.1°C
Absolute humidity 0 to 130 g/m³, resolution 0.1 g/m3
Equilibrium moisture content 2% to 30%, resolution 0.1%
Equilibrium moisture content synthetic granules resolution 0.01 %
User programmable characteristic curves for calculation of equilibrium moisture content
Online-function, Hold function, manual data memory
Automatic datalog for 10.000 logs with measuring point report
scope of supply: humimeter RH2 with rubber protection cover and batteries
Optional: humimeter USB data interface module with LogMemorizer measuring data recording and analysing software on CD incl. USB cable for PC and printer

Aparat masurarea activitatea apei umiditate in uleiuri si produse petroliere; determina valoarea aw, presiune, temperatura si continutul de apa

Water Activity & Moisture Meter for Oils :: Model OilPort-30


Pret : la cerere


Livrare: 10 - 14 zile lucratoare


Certificat de conformitate


produsul poate fi achizitionat si prin SEAP


solicit oferta personalizata »

 

 

Accesorii optionale
Humidity standards / Calibration device refer to data sheet "Humidity Calibration Set"
Protective cover for OMNIPORT 30 :: cod produs HA040907
Probe cable 5 m :: cod produs HA010814
Ball valve set 1/2" ISO :: cod produs HA050101*)
Ball valve set 1/2" NPT :: cod produs HA050104*)
*) Suitable for pressure-tight oil probe only
Piese de schimb
Pressure tight oil probe 1/2” ISO :: cod produs Logprobe36-ISO
Pressure tight oil probe 1/2” NPT :: cod produs Logprobe36-NPT
Short oil probe :: cod produs Logprobe38
Carrying case :: cod produs HA040906
Probe cable 2 m :: cod produs HA010813

The moisture in oil hand-held OILPORT-30 measures water activity aw, temperature T and calculates the water content x (ppm) in different oils.
Up to ten sets of oil specific parameters can be stored and managed in the device.
These parameters are used for accurate water content calculation in a certain oil.
The simple and intuitive operation via TFT touch screen and the built-in data logging function make the OILPORT 30 hand-held the ideal tool for fast and reliable oil analysis.
The set comes in a practical carrying case for safe storage of the device, probe and accessories.
The optional calibration kit is used for easy 1 and 2 point adjustment of the aw reading.
Typical Applications: Monitoring of- Transformer oil- Lubrication oil- Hydraulic oil- Engine oil- Diesel fuel
Main Features
Measurands: T, aw, x [ppm]
Up to 10 sets of oil specific paramters
Data logging function
Internal memory for 2 million measured values
Capacitive TFT touch screen
1/2-point customer adjustment for aw and T

Technical Data
Basic Device
Power supply 4 x Alkaline LR6 AA batteries, 1.5 V (not in the scope of supply)
Optional power supply 5V DC via USB (cable included)
Temperature range operation: handheld and handle of sensing probe: 0 °C...+50 °C :: storage: -20 °C...+60 °C
Internal memory for approx. 2 million measured values
Housing / protection class ABS / IP40
Dimensions (HxWxD): 170 mm x 62 mm x 34 mm
Weight: approx. 205 g
Display: TFT display, 54 mm x 41 mm , illuminated
CE compatibility Hand-held: EN61000-6-2:2005 EN61000-6-3:2007 / Oil Probe: EN61326-1:2013 EN61326-2-3:2013
Pressure-Tight Oil Probe
Working range: 0 aw...1 aw / 0 ppm...20000 ppm / -40 °C...+120 °C
Accuracy: ±0.02 aw (0 aw...0.9 aw) ±0.03 aw (0.9 aw...1 aw) ±0.2 °C @20 °C ±0.5 °C @-40 °C and +120 °C
Response time τ90: ≤ 10 min (in still oil)
Pressure rating: 0.01 bar...20 bar (0.15 psi...290 psi)
Temperature dependence: ±0.0003 aw / °C
Short Oil Probe
Working range: 0 aw...1 aw / 0 ppm...20000 ppm / -40 °C...+120 °C
Accuracy: ±0.02 aw (0 aw...0.9 aw) ±0.03 aw (0.9 aw...1 aw) ±0.2 °C @20 °C ±0.5 °C @-40 °C and +120 °C
Response time τ90: ≤ 10 min (in still oil)
Pressure rating: 0.01 bar...20 bar (0.15 psi...290 psi)
Temperature dependence: ±0.0003 aw / °C
Scope of Supply
Basic device OMNIPORT 30 (batteries not in the scope of supply)
USB-cable
Oil probe
Probe cable 2 m
Calibration certificate for measuring probe
Calibration certificate for basic device
Protection cap for sensor head
Carrying case
Calibration device*)
5 ampoules 10 % RH humidity calibration solution*)
5 ampoules 80 % RH humidity calibration solution*)
Accredited calibration certificate for humidity standards*)
rature dependence: ±0.0003 aw / °C
*) version C01 only

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